JAAFAR, Muhammad Atif; MOHD YUSOF, Noreha; MOHD NOR, Mohd Fadzil; RAZALLI, Abdul Rahim; MOHAMAD JAAFAR, Anis Norma. Sign Language Hand Code Training as an Early Intervention Program for Year One Pupils with Hearing Impairment in Ipoh, Perak: A Case Study: Latihan Kod Tangan Bahasa Isyarat sebagai Program Intervensi Awal bagi Murid Kurang Upaya Pendengaran Tahun 1 di Ipoh, Perak: Satu Kajian Kes. Jurnal Pendidikan Awal Kanak-kanak Kebangsaan, [S. l.], v. 11, n. 2, p. 78–89, 2022. DOI: 10.37134/jpak.vol11.2.8.2022. Disponível em: https://ejournal.upsi.edu.my/index.php/JPAK/article/view/5323. Acesso em: 14 dec. 2025.